Garelick® Adjustable Seat Swivel Clamp. Moves from 8 to 18" wide!
Clamp this bad boy onto your seat base for 360° movement! Features a self-lubricated, non-corrosive poly swivel bearing so you spin smoothly.
Built with heavily-plated steel for durability and resistance to corrosion. Contact points have cushioned tips to keep your seat base in tip-top shape!